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Finding the Third Proportional to 1,107,639.56 and 2,447,784.56

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Solution

The third proportional to 1,107,639.56 and 2,447,784.56 is: 5,409,385.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,639.56 : 2,447,784.56 = 2,447,784.56 : x
  2. Step 2: Convert to fraction form
    1,107,639.56/2,447,784.56 = 2,447,784.56/x
  3. Step 3: Cross multiply
    1,107,639.56x = 2,447,784.56 × 2,447,784.56
  4. Step 4: Simplify right side
    1,107,639.56x = 5,991,649,264,413.32
  5. Step 5: Solve for x
    x = 5,991,649,264,413.32/1,107,639.56
  6. Step 6: Final answer
    x = 5,409,385.39

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.